public clothes GetPieceOfClothing(long id)
{
using (SzafaModel dbconn = new SzafaModel())
{
if (!CheckDatabaseExistence(dbconn))
{
throw new DbUpdateException();
}
return(dbconn.clothes.Find(id));
}
}
public List <types> GetTypes()
{
using (SzafaModel dbconn = new SzafaModel())
{
if (!CheckDatabaseExistence(dbconn))
{
throw new DbUpdateException();
}
var searchresults = dbconn.types.Include(t => t.clothes).ToList <types>();
return(searchresults);
}
}
public void AddClothes(clothes c)
{
using (SzafaModel dbconn = new SzafaModel())
{
if (!CheckDatabaseExistence(dbconn))
{
throw new DbUpdateException();
}
dbconn.clothes.Add(c);
dbconn.SaveChanges();
}
}
public void DeletePieceOfClothing(clothes c)
{
using (SzafaModel dbconn = new SzafaModel())
{
if (!CheckDatabaseExistence(dbconn))
{
throw new DbUpdateException();
}
clothes cloth = dbconn.clothes.Find(c.id);
dbconn.clothes.Remove(cloth);
dbconn.SaveChanges();
}
}
public void UpdateTypes(types t)
{
using (SzafaModel dbconn = new SzafaModel())
{
if (!CheckDatabaseExistence(dbconn))
{
throw new DbUpdateException();
}
types type = dbconn.types.Find(t.id);
type.name = t.name;
dbconn.SaveChanges();
}
}
public IEnumerable <T> GetEntities <T>() where T : class
{
using (SzafaModel dbconn = new SzafaModel())
{
//parse the property name (remove the namespaces with Split method)
string typeName = typeof(T).ToString().Split('.').Last();
//get the elements from the right table
var searchresults = (DbSet <T>)dbconn.GetType().GetProperty(typeName).GetValue(dbconn);
//yield-return the IEnumerable of the results
foreach (T el in searchresults)
{
yield return(el);
}
}
}
public void UpdateClothes(clothes c)
{
using (SzafaModel dbconn = new SzafaModel())
{
if (!CheckDatabaseExistence(dbconn))
{
throw new DbUpdateException();
}
clothes cloth = dbconn.clothes.Find(c.id);
cloth.description = c.description;
cloth.name = c.name;
cloth.in_use = c.in_use;
cloth.in_use_from = c.in_use_from;
cloth.last_time_on = c.last_time_on;
cloth.picture_path = c.picture_path;
cloth.times_on = c.times_on;
cloth.type_id = c.type_id;
dbconn.SaveChanges();
}
}
private bool CheckDatabaseExistence(SzafaModel conn)
{
conn.Database.Connection.ConnectionString = "data source=" + "\"" + AppDomain.CurrentDomain.BaseDirectory + "main.db\"";
//MessageBox.Show(conn.Database.Connection.ConnectionString);
return(File.Exists(ExctractDataSource(conn.Database.Connection.ConnectionString)));
}
